Method of forming cast-in-place concrete pile

Details Method of forming cast-in-place concrete pile Method of forming cast-in-place concrete pile

1983-11-18

1986-02-18

Corbin, David H.

Hydraulic and earth engineering

Foundation

Columnar structure

405234, E02D 534

Patent

active

045711240

ABSTRACT:
There is disclosed a method of forming a cast-in-place concrete pile. A demolition-facilitating substance is mounted in an open top confined space above a predetermined level. The demolition-facilitating substance is expansible upon lapse of a predetermined period of time. Concrete is poured into the confined space to cover the demolition-facilitating substance to cast a concrete pile, so that the demolition-facilitating substance is expanded to produce cracks in the concrete pile above the predetermined level.

REFERENCES:
patent: 1106606 (1914-08-01), Wilhelmi

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